Home / 66,409,194.88-91,645,007.24-36,639,841.43

Finding the Fourth Proportional to 66,409,194.88, 91,645,007.24 and 36,639,841.43

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Solution

The fourth proportional to 66,409,194.88, 91,645,007.24 and 36,639,841.43 is: 50,563,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,409,194.88 : 91,645,007.24 = 36,639,841.43 : x
  2. Step 2: Convert to fraction form
    66,409,194.88/91,645,007.24 = 36,639,841.43/x
  3. Step 3: Cross multiply
    66,409,194.88x = 91,645,007.24 × 36,639,841.43
  4. Step 4: Simplify right side
    66,409,194.88x = 3,357,858,533,170,715
  5. Step 5: Solve for x
    x = 3,357,858,533,170,715/66,409,194.88
  6. Step 6: Final answer
    x = 50,563,156.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.